Channel marker



FIG. 1 is a front elevational view of a new design for a channel marker,the rear view being a mirror image thereof;

FIG. 2 is a right edge elevational view;

FIG. 3 is a top view;

FIG. 4 is a front elevational view of a second embodiment for thechannel marker, the rear view being a mirror image thereof;

FIG. 5 is a right edge elevational view;

FIG. 6 is a left edge elevational view; and,

FIG. 7 is a top view.

The ornamental design for a channel marker, as shown and described.